↑Stephen Mihm (July 23, 2006). "No Ordinary Counterfeit". The New York Times. Diarsipkan dari versi aslinya tanggal 5 September 2014. Diakses tanggal April 9, 2014.
↑Kan, Paul; Bechton, Bruce; Collins, Robert (2010). Criminal Sovereignty: Understanding North Korea's Illicit International Activities. Strategic Studies Institute. ISBN9781584874324.:2